332 lines
12 KiB
LLVM
332 lines
12 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -instcombine -S -data-layout="e" | FileCheck %s --check-prefixes=ANY,LE
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; RUN: opt < %s -instcombine -S -data-layout="E" | FileCheck %s --check-prefixes=ANY,BE
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define i32 @extractelement_out_of_range(<2 x i32> %x) {
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; ANY-LABEL: @extractelement_out_of_range(
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; ANY-NEXT: ret i32 poison
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;
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%E1 = extractelement <2 x i32> %x, i8 16
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ret i32 %E1
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}
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define i32 @extractelement_type_out_of_range(<2 x i32> %x) {
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; ANY-LABEL: @extractelement_type_out_of_range(
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; ANY-NEXT: [[E1:%.*]] = extractelement <2 x i32> [[X:%.*]], i128 0
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; ANY-NEXT: ret i32 [[E1]]
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;
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%E1 = extractelement <2 x i32> %x, i128 0
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ret i32 %E1
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}
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define i32 @bitcasted_inselt_equal_num_elts(float %f) {
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; ANY-LABEL: @bitcasted_inselt_equal_num_elts(
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; ANY-NEXT: [[R:%.*]] = bitcast float [[F:%.*]] to i32
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; ANY-NEXT: ret i32 [[R]]
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;
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%vf = insertelement <4 x float> poison, float %f, i32 0
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%vi = bitcast <4 x float> %vf to <4 x i32>
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%r = extractelement <4 x i32> %vi, i32 0
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ret i32 %r
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}
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define i64 @test2(i64 %in) {
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; ANY-LABEL: @test2(
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; ANY-NEXT: ret i64 [[IN:%.*]]
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;
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%vec = insertelement <8 x i64> poison, i64 %in, i32 0
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%splat = shufflevector <8 x i64> %vec, <8 x i64> poison, <8 x i32> zeroinitializer
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%add = add <8 x i64> %splat, <i64 0, i64 1, i64 2, i64 3, i64 4, i64 5, i64 6, i64 7>
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%r = extractelement <8 x i64> %add, i32 0
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ret i64 %r
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}
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define i32 @bitcasted_inselt_wide_source_zero_elt(i64 %x) {
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; LE-LABEL: @bitcasted_inselt_wide_source_zero_elt(
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; LE-NEXT: [[R:%.*]] = trunc i64 [[X:%.*]] to i32
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; LE-NEXT: ret i32 [[R]]
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;
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; BE-LABEL: @bitcasted_inselt_wide_source_zero_elt(
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; BE-NEXT: [[TMP1:%.*]] = lshr i64 [[X:%.*]], 32
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; BE-NEXT: [[R:%.*]] = trunc i64 [[TMP1]] to i32
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; BE-NEXT: ret i32 [[R]]
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;
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%i = insertelement <2 x i64> zeroinitializer, i64 %x, i32 0
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%b = bitcast <2 x i64> %i to <4 x i32>
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%r = extractelement <4 x i32> %b, i32 0
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ret i32 %r
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}
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define i16 @bitcasted_inselt_wide_source_modulo_elt(i64 %x) {
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; LE-LABEL: @bitcasted_inselt_wide_source_modulo_elt(
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; LE-NEXT: [[R:%.*]] = trunc i64 [[X:%.*]] to i16
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; LE-NEXT: ret i16 [[R]]
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;
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; BE-LABEL: @bitcasted_inselt_wide_source_modulo_elt(
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; BE-NEXT: [[TMP1:%.*]] = lshr i64 [[X:%.*]], 48
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; BE-NEXT: [[R:%.*]] = trunc i64 [[TMP1]] to i16
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; BE-NEXT: ret i16 [[R]]
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;
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%i = insertelement <2 x i64> poison, i64 %x, i32 1
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%b = bitcast <2 x i64> %i to <8 x i16>
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%r = extractelement <8 x i16> %b, i32 4
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ret i16 %r
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}
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define i32 @bitcasted_inselt_wide_source_not_modulo_elt(i64 %x) {
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; LE-LABEL: @bitcasted_inselt_wide_source_not_modulo_elt(
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; LE-NEXT: [[TMP1:%.*]] = lshr i64 [[X:%.*]], 32
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; LE-NEXT: [[R:%.*]] = trunc i64 [[TMP1]] to i32
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; LE-NEXT: ret i32 [[R]]
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;
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; BE-LABEL: @bitcasted_inselt_wide_source_not_modulo_elt(
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; BE-NEXT: [[R:%.*]] = trunc i64 [[X:%.*]] to i32
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; BE-NEXT: ret i32 [[R]]
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;
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%i = insertelement <2 x i64> poison, i64 %x, i32 0
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%b = bitcast <2 x i64> %i to <4 x i32>
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%r = extractelement <4 x i32> %b, i32 1
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ret i32 %r
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}
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define i8 @bitcasted_inselt_wide_source_not_modulo_elt_not_half(i32 %x) {
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; LE-LABEL: @bitcasted_inselt_wide_source_not_modulo_elt_not_half(
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; LE-NEXT: [[TMP1:%.*]] = lshr i32 [[X:%.*]], 16
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; LE-NEXT: [[R:%.*]] = trunc i32 [[TMP1]] to i8
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; LE-NEXT: ret i8 [[R]]
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;
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; BE-LABEL: @bitcasted_inselt_wide_source_not_modulo_elt_not_half(
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; BE-NEXT: [[TMP1:%.*]] = lshr i32 [[X:%.*]], 8
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; BE-NEXT: [[R:%.*]] = trunc i32 [[TMP1]] to i8
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; BE-NEXT: ret i8 [[R]]
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;
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%i = insertelement <2 x i32> poison, i32 %x, i32 0
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%b = bitcast <2 x i32> %i to <8 x i8>
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%r = extractelement <8 x i8> %b, i32 2
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ret i8 %r
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}
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define i3 @bitcasted_inselt_wide_source_not_modulo_elt_not_half_weird_types(i15 %x) {
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; LE-LABEL: @bitcasted_inselt_wide_source_not_modulo_elt_not_half_weird_types(
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; LE-NEXT: [[TMP1:%.*]] = lshr i15 [[X:%.*]], 3
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; LE-NEXT: [[R:%.*]] = trunc i15 [[TMP1]] to i3
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; LE-NEXT: ret i3 [[R]]
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;
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; BE-LABEL: @bitcasted_inselt_wide_source_not_modulo_elt_not_half_weird_types(
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; BE-NEXT: [[TMP1:%.*]] = lshr i15 [[X:%.*]], 9
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; BE-NEXT: [[R:%.*]] = trunc i15 [[TMP1]] to i3
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; BE-NEXT: ret i3 [[R]]
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;
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%i = insertelement <3 x i15> poison, i15 %x, i32 0
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%b = bitcast <3 x i15> %i to <15 x i3>
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%r = extractelement <15 x i3> %b, i32 1
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ret i3 %r
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}
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; Negative test for the above fold, but we can remove the insert here.
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define i8 @bitcasted_inselt_wide_source_wrong_insert(<2 x i32> %v, i32 %x) {
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; ANY-LABEL: @bitcasted_inselt_wide_source_wrong_insert(
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; ANY-NEXT: [[B:%.*]] = bitcast <2 x i32> [[V:%.*]] to <8 x i8>
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; ANY-NEXT: [[R:%.*]] = extractelement <8 x i8> [[B]], i32 2
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; ANY-NEXT: ret i8 [[R]]
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;
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%i = insertelement <2 x i32> %v, i32 %x, i32 1
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%b = bitcast <2 x i32> %i to <8 x i8>
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%r = extractelement <8 x i8> %b, i32 2
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ret i8 %r
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}
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; Partial negative test for the above fold, extra uses are not allowed if shift is needed.
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declare void @use(<8 x i8>)
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define i8 @bitcasted_inselt_wide_source_uses(i32 %x) {
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; LE-LABEL: @bitcasted_inselt_wide_source_uses(
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; LE-NEXT: [[I:%.*]] = insertelement <2 x i32> poison, i32 [[X:%.*]], i32 0
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; LE-NEXT: [[B:%.*]] = bitcast <2 x i32> [[I]] to <8 x i8>
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; LE-NEXT: call void @use(<8 x i8> [[B]])
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; LE-NEXT: [[R:%.*]] = extractelement <8 x i8> [[B]], i32 3
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; LE-NEXT: ret i8 [[R]]
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;
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; BE-LABEL: @bitcasted_inselt_wide_source_uses(
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; BE-NEXT: [[I:%.*]] = insertelement <2 x i32> poison, i32 [[X:%.*]], i32 0
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; BE-NEXT: [[B:%.*]] = bitcast <2 x i32> [[I]] to <8 x i8>
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; BE-NEXT: call void @use(<8 x i8> [[B]])
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; BE-NEXT: [[R:%.*]] = trunc i32 [[X]] to i8
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; BE-NEXT: ret i8 [[R]]
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;
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%i = insertelement <2 x i32> poison, i32 %x, i32 0
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%b = bitcast <2 x i32> %i to <8 x i8>
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call void @use(<8 x i8> %b)
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%r = extractelement <8 x i8> %b, i32 3
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ret i8 %r
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}
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define float @bitcasted_inselt_to_FP(i64 %x) {
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; LE-LABEL: @bitcasted_inselt_to_FP(
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; LE-NEXT: [[TMP1:%.*]] = lshr i64 [[X:%.*]], 32
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; LE-NEXT: [[TMP2:%.*]] = trunc i64 [[TMP1]] to i32
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; LE-NEXT: [[R:%.*]] = bitcast i32 [[TMP2]] to float
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; LE-NEXT: ret float [[R]]
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;
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; BE-LABEL: @bitcasted_inselt_to_FP(
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; BE-NEXT: [[TMP1:%.*]] = trunc i64 [[X:%.*]] to i32
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; BE-NEXT: [[R:%.*]] = bitcast i32 [[TMP1]] to float
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; BE-NEXT: ret float [[R]]
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;
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%i = insertelement <2 x i64> poison, i64 %x, i32 0
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%b = bitcast <2 x i64> %i to <4 x float>
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%r = extractelement <4 x float> %b, i32 1
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ret float %r
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}
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declare void @use_v2i128(<2 x i128>)
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declare void @use_v8f32(<8 x float>)
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define float @bitcasted_inselt_to_FP_uses(i128 %x) {
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; ANY-LABEL: @bitcasted_inselt_to_FP_uses(
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; ANY-NEXT: [[I:%.*]] = insertelement <2 x i128> poison, i128 [[X:%.*]], i32 0
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; ANY-NEXT: call void @use_v2i128(<2 x i128> [[I]])
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; ANY-NEXT: [[B:%.*]] = bitcast <2 x i128> [[I]] to <8 x float>
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; ANY-NEXT: [[R:%.*]] = extractelement <8 x float> [[B]], i32 1
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; ANY-NEXT: ret float [[R]]
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;
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%i = insertelement <2 x i128> poison, i128 %x, i32 0
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call void @use_v2i128(<2 x i128> %i)
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%b = bitcast <2 x i128> %i to <8 x float>
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%r = extractelement <8 x float> %b, i32 1
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ret float %r
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}
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define float @bitcasted_inselt_to_FP_uses2(i128 %x) {
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; ANY-LABEL: @bitcasted_inselt_to_FP_uses2(
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; ANY-NEXT: [[I:%.*]] = insertelement <2 x i128> poison, i128 [[X:%.*]], i32 0
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; ANY-NEXT: [[B:%.*]] = bitcast <2 x i128> [[I]] to <8 x float>
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; ANY-NEXT: call void @use_v8f32(<8 x float> [[B]])
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; ANY-NEXT: [[R:%.*]] = extractelement <8 x float> [[B]], i32 1
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; ANY-NEXT: ret float [[R]]
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;
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%i = insertelement <2 x i128> poison, i128 %x, i32 0
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%b = bitcast <2 x i128> %i to <8 x float>
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call void @use_v8f32(<8 x float> %b)
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%r = extractelement <8 x float> %b, i32 1
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ret float %r
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}
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define i32 @bitcasted_inselt_from_FP(double %x) {
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; LE-LABEL: @bitcasted_inselt_from_FP(
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; LE-NEXT: [[TMP1:%.*]] = bitcast double [[X:%.*]] to i64
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; LE-NEXT: [[TMP2:%.*]] = lshr i64 [[TMP1]], 32
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; LE-NEXT: [[R:%.*]] = trunc i64 [[TMP2]] to i32
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; LE-NEXT: ret i32 [[R]]
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;
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; BE-LABEL: @bitcasted_inselt_from_FP(
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; BE-NEXT: [[TMP1:%.*]] = bitcast double [[X:%.*]] to i64
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; BE-NEXT: [[R:%.*]] = trunc i64 [[TMP1]] to i32
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; BE-NEXT: ret i32 [[R]]
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;
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%i = insertelement <2 x double> poison, double %x, i32 0
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%b = bitcast <2 x double> %i to <4 x i32>
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%r = extractelement <4 x i32> %b, i32 1
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ret i32 %r
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}
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declare void @use_v2f64(<2 x double>)
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declare void @use_v8i16(<8 x i16>)
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define i16 @bitcasted_inselt_from_FP_uses(double %x) {
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; ANY-LABEL: @bitcasted_inselt_from_FP_uses(
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; ANY-NEXT: [[I:%.*]] = insertelement <2 x double> poison, double [[X:%.*]], i32 0
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; ANY-NEXT: call void @use_v2f64(<2 x double> [[I]])
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; ANY-NEXT: [[B:%.*]] = bitcast <2 x double> [[I]] to <8 x i16>
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; ANY-NEXT: [[R:%.*]] = extractelement <8 x i16> [[B]], i32 1
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; ANY-NEXT: ret i16 [[R]]
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;
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%i = insertelement <2 x double> poison, double %x, i32 0
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call void @use_v2f64(<2 x double> %i)
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%b = bitcast <2 x double> %i to <8 x i16>
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%r = extractelement <8 x i16> %b, i32 1
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ret i16 %r
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}
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define i16 @bitcasted_inselt_from_FP_uses2(double %x) {
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; ANY-LABEL: @bitcasted_inselt_from_FP_uses2(
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; ANY-NEXT: [[I:%.*]] = insertelement <2 x double> poison, double [[X:%.*]], i32 0
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; ANY-NEXT: [[B:%.*]] = bitcast <2 x double> [[I]] to <8 x i16>
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; ANY-NEXT: call void @use_v8i16(<8 x i16> [[B]])
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; ANY-NEXT: [[R:%.*]] = extractelement <8 x i16> [[B]], i32 1
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; ANY-NEXT: ret i16 [[R]]
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;
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%i = insertelement <2 x double> poison, double %x, i32 0
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%b = bitcast <2 x double> %i to <8 x i16>
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call void @use_v8i16(<8 x i16> %b)
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%r = extractelement <8 x i16> %b, i32 1
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ret i16 %r
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}
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define float @bitcasted_inselt_to_and_from_FP(double %x) {
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; ANY-LABEL: @bitcasted_inselt_to_and_from_FP(
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; ANY-NEXT: [[I:%.*]] = insertelement <2 x double> poison, double [[X:%.*]], i32 0
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; ANY-NEXT: [[B:%.*]] = bitcast <2 x double> [[I]] to <4 x float>
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; ANY-NEXT: [[R:%.*]] = extractelement <4 x float> [[B]], i32 1
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; ANY-NEXT: ret float [[R]]
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;
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%i = insertelement <2 x double> poison, double %x, i32 0
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%b = bitcast <2 x double> %i to <4 x float>
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%r = extractelement <4 x float> %b, i32 1
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ret float %r
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}
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define float @bitcasted_inselt_to_and_from_FP_uses(double %x) {
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; ANY-LABEL: @bitcasted_inselt_to_and_from_FP_uses(
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; ANY-NEXT: [[I:%.*]] = insertelement <2 x double> poison, double [[X:%.*]], i32 0
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; ANY-NEXT: call void @use_v2f64(<2 x double> [[I]])
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; ANY-NEXT: [[B:%.*]] = bitcast <2 x double> [[I]] to <4 x float>
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; ANY-NEXT: [[R:%.*]] = extractelement <4 x float> [[B]], i32 1
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; ANY-NEXT: ret float [[R]]
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;
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%i = insertelement <2 x double> poison, double %x, i32 0
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call void @use_v2f64(<2 x double> %i)
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%b = bitcast <2 x double> %i to <4 x float>
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%r = extractelement <4 x float> %b, i32 1
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ret float %r
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}
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declare void @use_v4f32(<4 x float>)
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define float @bitcasted_inselt_to_and_from_FP_uses2(double %x) {
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; ANY-LABEL: @bitcasted_inselt_to_and_from_FP_uses2(
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; ANY-NEXT: [[I:%.*]] = insertelement <2 x double> poison, double [[X:%.*]], i32 0
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; ANY-NEXT: [[B:%.*]] = bitcast <2 x double> [[I]] to <4 x float>
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; ANY-NEXT: call void @use_v4f32(<4 x float> [[B]])
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; ANY-NEXT: [[R:%.*]] = extractelement <4 x float> [[B]], i32 1
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; ANY-NEXT: ret float [[R]]
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;
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%i = insertelement <2 x double> poison, double %x, i32 0
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%b = bitcast <2 x double> %i to <4 x float>
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call void @use_v4f32(<4 x float> %b)
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%r = extractelement <4 x float> %b, i32 1
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ret float %r
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}
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; This would crash/assert because the logic for collectShuffleElements()
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; does not consider the possibility of invalid insert/extract operands.
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define <4 x double> @invalid_extractelement(<2 x double> %a, <4 x double> %b, double* %p) {
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; ANY-LABEL: @invalid_extractelement(
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; ANY-NEXT: [[TMP1:%.*]] = shufflevector <2 x double> [[A:%.*]], <2 x double> undef, <4 x i32> <i32 0, i32 undef, i32 undef, i32 undef>
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; ANY-NEXT: [[T4:%.*]] = shufflevector <4 x double> [[B:%.*]], <4 x double> [[TMP1]], <4 x i32> <i32 undef, i32 1, i32 4, i32 3>
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; ANY-NEXT: [[E:%.*]] = extractelement <4 x double> [[B]], i32 1
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; ANY-NEXT: store double [[E]], double* [[P:%.*]], align 8
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; ANY-NEXT: ret <4 x double> [[T4]]
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;
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%t3 = extractelement <2 x double> %a, i32 0
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%t4 = insertelement <4 x double> %b, double %t3, i32 2
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%e = extractelement <4 x double> %t4, i32 1
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store double %e, double* %p
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%e1 = extractelement <2 x double> %a, i32 4 ; invalid index
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%r = insertelement <4 x double> %t4, double %e1, i64 0
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ret <4 x double> %r
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}
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